25258349 has 2 divisors, whose sum is σ = 25258350. Its totient is φ = 25258348.

The previous prime is 25258339. The next prime is 25258357. The reversal of 25258349 is 94385252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18550249 + 6708100 = 4307^2 + 2590^2 .

It is a cyclic number.

It is not a de Polignac number, because 25258349 - 2¹⁶ = 25192813 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25258339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12629174 + 12629175.

It is an arithmetic number, because the mean of its divisors is an integer number (12629175).

Almost surely, 2^25258349 is an apocalyptic number.

It is an amenable number.

25258349 is a deficient number, since it is larger than the sum of its proper divisors (1).

25258349 is an equidigital number, since it uses as much as digits as its factorization.

25258349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 38.

The square root of 25258349 is about 5025.7684984488. The cubic root of 25258349 is about 293.4055468157.

The spelling of 25258349 in words is "twenty-five million, two hundred fifty-eight thousand, three hundred forty-nine".